Midsomer Murders

Season 9, Episode 4

Episode Title: Down Among the Dead Men

Air Date: 2006-03-12

Overview:

Barnaby and Jones investigate the shooting of a blackmailer, Martin Barrett. But he had so many victims, they are spoiled for choice for a suspect. Then one of his victims, Sir John Waverley, gets another demand. The trail leads them to the seaside and diving for treasure on an uncataloged wreck.